[lldb-dev] Is anything using the REPL?

[Zachary Turner via lldb-dev]

On Tue, Mar 21, 2017 at 7:07 PM Jim Ingham <jingham at apple.com> wrote:

> ScriptInterpreters are about providing a way to script lldb.
>
> The REPL in lldb is about giving users an interactive way to play with a
> compiled language with no requirement that it bind to lldb in particular.
>
> The two seem fairly different concepts.
>
Sure, but isn't that just a side effect of the fact that we only have 1,
and that's what it happens to do?  It still enters a REPL when you type
"script", the fact that it manipulates lldb itself seems like just an
implementation detail.




> Jim
>
>
> > On Mar 21, 2017, at 6:44 PM, Zachary Turner via lldb-dev <
> lldb-dev at lists.llvm.org> wrote:
> >
> > Not having written or debugged swift before, what does it give you that
> a ScriptInterpreter plugin doesn't? It seems like ScriptInterpreterPython
> is, in fact, just a kind of REPL, albeit one that interacts with the
> debugger itself rather a particular target. I'm wondering if anyone who
> wanted this kind of thing in the future could just do it as a
> ScriptInterpreter plugin
> > On Tue, Mar 21, 2017 at 6:37 PM Jason Molenda <jmolenda at apple.com>
> wrote:
> > I don't follow REPL issues very closely but I think some people may have
> hopes of doing a repl in a language other than swift in the future which is
> why it was upstreamed to llvm.
> >
> > J
> >
> > > On Mar 21, 2017, at 6:34 PM, Zachary Turner <zturner at google.com>
> wrote:
> > >
> > > Thanks, I had a suspicion it might be used in Swift.  Given that swift
> seems to be the only consumer, and there are no plans for support for any
> other languages, would it be reasonable to say that it's a swift-specific
> addition and could be in the swift repo?
> > >
> > > If not, I will need to come up with a good way to get REPL.h to not
> #include code from the source tree (and ideally, not #include code from
> Commands at all).
> > >
> > > On Tue, Mar 21, 2017 at 6:24 PM Jason Molenda <jmolenda at apple.com>
> wrote:
> > > It's used in the swift lldb, https://github.com/apple/swift-lldb
> > >
> > > The idea is to have any non-swift specific code in llvm.org; the
> github repository for swift specific additions.
> > >
> > >
> > > > On Mar 21, 2017, at 6:19 PM, Zachary Turner via lldb-dev <
> lldb-dev at lists.llvm.org> wrote:
> > > >
> > > > AFAICT this is all dead code.  Unless someone is using it out of
> tree?  There is a way to register repl support for various languages, but
> no code in tree is actually doing this.  It's possible I'm just not finding
> the code though.
> > > >
> > > > It appears this code was all added about 18 months ago, and if it
> hasn't found any use in that time frame, it would be great to remove it to
> reduce technical debt.
> > > >
> > > > That said, if it's actually being used in tree somewhere and I'm
> just overlooking it, let me know.
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> > >
> >
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